(19)
(11) EP 2 634 820 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.09.2017 Bulletin 2017/36

(43) Date of publication A2:
04.09.2013 Bulletin 2013/36

(21) Application number: 13154715.0

(22) Date of filing: 08.02.2013
(51) International Patent Classification (IPC): 
H01L 31/0735(2012.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 29.02.2012 US 201213407924

(71) Applicant: The Boeing Company
Chicago, IL 60606-1596 (US)

(72) Inventors:
  • Liu, Xing-Quan
    Arcadia, CA 91007 (US)
  • Fetzer, Christopher M.
    Valencia, CA 91354 (US)
  • Law, Daniel C
    Arcadia, CA 91007 (US)

(74) Representative: Shipp, Nicholas 
Kilburn & Strode LLP 20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) Solar cell with delta doping layer


(57) A solar cell including a base region, a back surface field layer and a delta doping layer positioned between the base region and the back surface field layer.







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